In this image distorted by heat and smoke, firefighter Nolan Barickman sets fire to grass east of Islay Hill during a prescribed burn Friday.
In this image distorted by heat and smoke, firefighter Nolan Barickman sets fire to grass east of Islay Hill during a prescribed burn Friday. jmellom@thetribunenews.com
In this image distorted by heat and smoke, firefighter Nolan Barickman sets fire to grass east of Islay Hill during a prescribed burn Friday. jmellom@thetribunenews.com

Smoke in San Luis Obispo was from a prescribed burn

June 10, 2011 12:37 PM

UPDATED June 11, 2011 12:40 AM